uint8 STA_SENSOR_ERROR=0
uint8 STA_NORMAL=1
uint8 STA_CHANNEL_1_ALERT=2
uint8 STA_DISCHARGE_HIGH=3
uint8 STA_DISCHARGE_ALERT=4
float32 peak
float32 average
float32 noise
float32 phase
int32 count
int32 cycle_count
uint8 state
string channel
